Autumn is all about getting your hair back into great glossy condition (bye bye bleach) and wearing it down (cold necks and ears, no thanks), no? So, we've handpicked six of the glossiest, longest, sleekest celebrity hairstyles from the last seven days. From Ariana to Kendall, it's officially #longhairdontcare week. Time to put the sea-salt spray down and embrace your GHDs – softly does it.